Mini Variable Micro-USB Power Supply Module (<£2!)

DescriptionMini Variable Micro-USB Power Supply Module (< £2!)A pocket-sized, adjustable DC power source built around this popular AliExpress boost/buck design. Simply plug into any 5 V Micro-USB charger or power bank to get a clean, regulated 1.2 V–24 V output — all for less than two quid!🔧 Key FeaturesMicro-USB Input 1.2 V–24 V Adjustable OutputHigh-efficiency boost/buck regulator plus a multi-turn precision potentiometer for fine voltage tuning.One-Key Output On/OffToggle the output with a single pushbutton—no need to unplug.Always-On Digital DisplayBuilt-in LED voltmeter shows real-time output voltage.📋 SpecificationsSpecificationDetailsModel NumberDC-DC 5 V to 3.5 V / 12 V USB Step UP/DownInput Voltage5 V via Micro-USB onlyOutput Voltage Range1.2 V – 24 V<td style="border: 1px solid rgb(191, 191, 191